WO2022124816A1 - 조리 기기 - Google Patents
조리 기기 Download PDFInfo
- Publication number
- WO2022124816A1 WO2022124816A1 PCT/KR2021/018624 KR2021018624W WO2022124816A1 WO 2022124816 A1 WO2022124816 A1 WO 2022124816A1 KR 2021018624 W KR2021018624 W KR 2021018624W WO 2022124816 A1 WO2022124816 A1 WO 2022124816A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lid
- power
- cooking appliance
- main body
- coil
- Prior art date
Links
- 238000010411 cooking Methods 0.000 title claims abstract description 233
- 238000010438 heat treatment Methods 0.000 claims abstract description 129
- 230000005540 biological transmission Effects 0.000 claims abstract description 113
- 238000003860 storage Methods 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims description 36
- 239000007769 metal material Substances 0.000 claims description 30
- 230000002159 abnormal effect Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 16
- 230000006698 induction Effects 0.000 abstract description 97
- 230000004308 accommodation Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 26
- 238000010168 coupling process Methods 0.000 description 26
- 238000005859 coupling reaction Methods 0.000 description 26
- 235000013305 food Nutrition 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
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- 238000006243 chemical reaction Methods 0.000 description 4
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/088—Pressure-cookers; Lids or locking devices specially adapted therefor adapted to high-frequency heating
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
- A47J36/321—Time-controlled igniting mechanisms or alarm devices the electronic control being performed over a network, e.g. by means of a handheld device
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J45/00—Devices for fastening or gripping kitchen utensils or crockery
- A47J45/06—Handles for hollow-ware articles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J45/00—Devices for fastening or gripping kitchen utensils or crockery
- A47J45/06—Handles for hollow-ware articles
- A47J45/062—Bowl handles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J45/00—Devices for fastening or gripping kitchen utensils or crockery
- A47J45/06—Handles for hollow-ware articles
- A47J45/063—Knobs, e.g. for lids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
- H05B2213/06—Cook-top or cookware capable of communicating with each other
Definitions
- the present specification relates to a cooking appliance, and more particularly, to a cooking appliance including a detachable lid and a main body, wherein an inner pot is heated by induction heating.
- a cooking appliance generally referred to as a rice cooker or cooker is a device for heating food contained in an inner container.
- the inner container is referred to as an inner pot, and is accommodated in an inner pot receiving space formed inside the main body of the cooking appliance.
- the food contained in the inner pot is heated by supplying thermal energy to the inner pot while the inner pot is accommodated in the inner pot receiving space and the inner pot receiving space is sealed by the lid.
- a cooking appliance for supplying thermal energy to an inner pot by using induction heating has been widely used.
- Patent Document 1 Japanese Patent Application Laid-Open No. 1993-84126 discloses a cooking appliance for heating an inner pot using induction heating. 1 is a cross-sectional view of a conventional cooking appliance that heats an inner pot using induction heating disclosed in Patent Document 1. Referring to FIG.
- a cooking appliance 1 includes a body 2 and a lid 10 .
- an induction coil 6 for heating the lower surface and an induction coil 7 for heating the side surface for heating the inner pot 8 are respectively disposed.
- a temperature sensor 9 for measuring the temperature of the inner pot 8 is disposed on the lower surface of the main body 2 .
- a handle 11 for lifting the lid 10 is disposed on the upper surface of the lid 10 coupled to the upper surface of the body 2 .
- the inner space of the lid 10 is filled with an insulating material 13 for reducing heat loss.
- a heater 18 and a heating plate 17 for heating the lid are disposed inside the lid 10 .
- an induction coil is disposed inside the lid 10 and inside the body 2, respectively. That is, the main body side upper induction coil 15 connected to the power supply unit (not shown) is disposed inside the main body 2 , and the lid side induction coil 15 is disposed at a position opposite to the main body side upper induction coil 15 inside the lid 10 .
- a coil 16 is disposed.
- the lid side induction coil 16 when current is supplied to the main body side upper induction coil 15 through a power supply unit (not shown), a magnetic field is formed by the main body side upper induction coil 15, and the lid side induction coil 16 by this magnetic field ) is induced in the current.
- the current induced in the lid side induction coil 16 is supplied to the lid heating heater 18 electrically connected to the lid side induction coil 16 . Accordingly, the heater 18 for heating the lid and the heating plate 17 are heated.
- the main body side upper induction coil 15 is disposed inside the main body 2 to supply current to the heater 18 for heating the lid. As shown in FIG. 1 , the upper body-side induction coil 15 should be disposed at a position opposite to the lid-side induction coil 16 . Accordingly, the body-side upper induction coil 15 is disposed at the upper end inside the body 2 .
- a space H1 for arranging the main body-side upper induction coil 15 must be secured at the upper end of the body 2 .
- the size (H1+H2+H1) inside the main body 2 is limited, the larger the size (H1) of the space occupied by the upper induction coil 15 on the main body side, the larger the inner pot (8)
- the size H2 of the accommodating space becomes small.
- Patent Document 2 Japanese Patent Laid-Open No. 2004-313258 discloses another cooking appliance for heating an inner pot using induction heating. 2 is a cross-sectional view of a conventional cooking appliance that heats an inner pot using induction heating disclosed in Patent Document 2;
- a cooking appliance includes a main body 50 and a lid 52 hinged to the main body 50 .
- a space portion 54 surrounded by a protective frame 58 is formed inside the body 50 , and an inner pot 53 is accommodated in the protective frame 56 .
- a sensor 9 for detecting the temperature of the inner pot 53 is disposed below the inner pot 53 .
- a heat sink 26 for sealing the inner pot 53 is disposed under the lid 52 .
- the heat sink 26 is composed of a metal heat sink main body 26a and an annular heating element 26b.
- the annular heating element 26b is inductively heated by the IH coil 29b disposed in the coil accommodating part 30b inside the space 54 of the main body 50 .
- a space H1 for arranging the coil accommodating part 30b and the IH coil 29b must be secured at the upper end of the space 54 of the main body 50 of the conventional cooking appliance.
- the size (H1+H2+H1) inside the main body 50 in FIG. 2 is limited, the larger the size (H1) of the space occupied by the coil receiving part 30b and the IH coil 29b, the inner pot 53 is There is a problem in that the size H2 of the accommodation space to be accommodated becomes smaller.
- Patent Document 3 Japanese Patent Laid-Open No. 1994-133856 discloses a pressure cooker having a timer. 3 is a cross-sectional view of the pressure cooker disclosed in Patent Document 3;
- the pressure cooker 70 includes a body 72 containing cooking materials and a lid 73 that seals the opening of the body 72 and leaks internal pressure to the outside.
- a locking valve 71 and a timer 74 are disposed on the top of the lid 73 .
- the timer 74 includes a display unit for displaying a cooking time and a speaker unit for outputting a voice or signal.
- a body handle 77 is disposed on one side of the body 72
- a lid handle 78 is disposed on one side of the lid 73 .
- Patent Document 3 a timer 74 driven by power supply is disposed on the lid 73 .
- Patent Document 3 does not disclose specific power supply means for supplying power to the timer 74 .
- the main body 72 does not have a component for supplying power to the inner pot receiving space and the lid 73 in which the inner pot is accommodated, so the size of the inside of the body 72 is not limited by other components. does not
- Patent Document 4 Korean Patent Publication No. 10-2020-0101825 discloses a wireless induction heating rice cooker. 2 and 3 of Patent Document 4, a power transmitting coil 150 and a power receiving coil 140b, which are means for supplying power to an electronic device provided in the lid 120, are disclosed, respectively.
- Patent Document 4 does not disclose a problem due to the limitation of the inner pot accommodating space due to the arrangement of the power transmitting coil 150 and the power receiving coil 140b, and means for solving this problem are not disclosed.
- Another object of the present specification is to provide a cooking appliance in which a user can easily check a state in which a lid and a body are fastened.
- Another object of the present specification is to provide a cooking appliance capable of reducing manufacturing cost and size by detecting a state in which a lid and a body are fastened without separate parts.
- Another object of the present specification is to provide a cooking appliance that is convenient to move and store because components for power supply, such as a plug or a cable, are not provided on the outer surface of the main body.
- Another object of the present specification is to provide a cooking appliance that is easy to clean or manage and can be used more hygienically by completely removing the lid from the main body.
- Another object of the present specification is to provide a cooking appliance capable of increasing the size of the inner pot accommodating space formed inside the main body without increasing the size of the lower surface of the main body in contact with the induction heating device.
- Another object of the present specification is to provide a cooking appliance that is resistant to contamination and is easy to clean.
- Another object of the present specification is to provide a cooking appliance that a user can conveniently move or store in a storage space.
- Another object of the present specification is to provide a cooking appliance that can be used in a non-directional manner in an induction heating device.
- Another object of the present specification is to provide a cooking appliance capable of transmitting power to electronic devices disposed inside a lid while maintaining a compact size for easy movement or storage.
- a cooking appliance is coupled to one surface of the main body to seal the main body in which the inner pot receiving space is formed, the inner pot accommodated in the inner pot receiving space, and the inner pot receiving space, and therein one or more electronic devices
- a lid having a storage space for accommodating it is formed, a power transmission coil disposed inside the main body handle formed on one side of the main body and receiving power transmitted from the outside, and a lid handle formed on one side of the lid, and a power receiving coil for receiving power transmitted by the power transmitting coil.
- the one or more electronic devices may be driven by power received by the power receiving coil.
- the lid may be rotationally coupled to the body.
- the main body handle may completely overlap the lid handle.
- the lid may be a detachable lid that is completely separated from the body.
- the body handle and the lid handle may be made of a non-metallic material.
- the main body handle may protrude radially from one side of the main body.
- the lid handle may protrude radially from one side of the lid.
- the amount of power transmitted to the one or more electronic devices may be proportional to an area where the power transmitting coil and the power receiving coil overlap.
- a power conversion device for converting AC power supplied by the power receiving coil into DC power may be disposed in the storage space.
- a controller for determining the fastening state of the lid and the main body may be disposed in the storage space.
- the controller compares the magnitude of the current supplied to the one or more electronic devices by the power receiving coil, the magnitude of the voltage, or the magnitude of the power with a predetermined reference value to fasten the lid and the main body status can be determined.
- the controller determines that when the magnitude of the current, the magnitude of the voltage, or the magnitude of the power is equal to or greater than the reference value, the fastening state of the lid and the body is normal, and the magnitude of the current, the When the magnitude of the voltage or the magnitude of the power is less than the reference value, it may be determined that the coupling state between the lid and the body is abnormal.
- the controller may display the fastening state information of the lid and the main body through a display module, or transmit the fastening state information of the lid and the main body to another device through a communication module.
- the cooking appliance may further include a heating coil disposed inside the main body.
- the inner pot may be heated by the heating coil.
- the cooking appliance may further include a power transmission coil disposed inside the main body and transmitting power transmitted from the outside to the power transmission coil.
- the inner pot may be heated by the power transmission coil.
- the cross-section of the body and the cross-section of the lid may be circular.
- the cooking appliance according to another embodiment of the present specification is coupled with one surface of the main body to seal the main body in which the inner pot receiving space is formed, the inner pot accommodated in the inner pot receiving space, and the inner pot receiving space, and therein one or more electrons
- the one or more electronic devices may be driven by power received by the power receiving coil.
- the lid may be rotationally coupled to the body.
- the power transmitting coil and the power receiving coil may completely overlap each other.
- the lid may be a detachable lid that is completely separated from the body.
- the power transmission coil may be disposed inside the main body handle formed on one side of the main body.
- the power receiving coil may be disposed inside the lid handle formed on one side of the lid.
- the body handle and the lid handle may be made of a non-metallic material.
- the amount of power transmitted to the one or more electronic devices may be proportional to an area where the power transmitting coil and the power receiving coil overlap.
- a power conversion device for converting AC power supplied by the power receiving coil into DC power may be disposed in the storage space.
- a controller for determining the fastening state of the lid and the main body may be disposed in the storage space.
- the controller compares the magnitude of the current supplied to the one or more electronic devices by the power receiving coil, the magnitude of the voltage, or the magnitude of the power with a predetermined reference value to fasten the lid and the main body status can be determined.
- the controller determines that when the magnitude of the current, the magnitude of the voltage, or the magnitude of the power is equal to or greater than the reference value, the fastening state of the lid and the body is normal, and the magnitude of the current, the When the magnitude of the voltage or the magnitude of the power is less than the reference value, it may be determined that the coupling state between the lid and the body is abnormal.
- the controller may display the fastening state information of the lid and the main body through a display module, or transmit the fastening state information of the lid and the main body to another device through a communication module.
- the cooking appliance may further include a heating coil disposed inside the main body.
- the inner pot may be heated by the heating coil.
- the cooking appliance may further include a power transmission coil disposed inside the main body and transmitting power transmitted from the outside to the power transmission coil.
- the inner pot may be heated by the power transmission coil.
- the cross-section of the body and the cross-section of the lid may be circular.
- the cooking appliance according to another embodiment of the present specification is coupled with one surface of the main body to seal the main body in which the inner pot receiving space is formed, the inner pot accommodated in the inner pot receiving space, and the inner pot receiving space, and therein one or more electrons
- a lid having a storage space for accommodating the device is formed, a power transmission coil disposed on one side of the main body to receive power transmitted from the outside, and a power reception coil disposed on one side of the lid to receive power transmitted by the power transmission coil Includes coil.
- the inner pot may be heated by the power received by the power transmission coil.
- the one or more electronic devices may be driven by power received by the power receiving coil.
- a distance between the center of the lower surface of the main body and the center of the power transmission coil may be greater than a radius of the lower surface of the main body.
- a distance between the center of the lower surface of the main body and the center of the power receiving coil may be greater than a radius of the lower surface of the main body.
- the lid may be rotationally coupled to the body.
- the power transmitting coil and the power receiving coil may completely overlap each other.
- the lid may be a detachable lid that is completely separated from the body.
- the power transmission coil may be disposed inside the handle of the body protruding in a radial direction from one side of the body.
- the power receiving coil may be disposed inside the lid handle protruding in a radial direction from one side of the lid.
- the body handle and the lid handle may be made of a non-metallic material.
- the amount of power transmitted to the one or more electronic devices may be proportional to an area where the power transmitting coil and the power receiving coil overlap.
- a power conversion device for converting AC power supplied by the power receiving coil into DC power may be disposed in the storage space.
- a controller for determining the fastening state of the lid and the main body may be disposed in the storage space.
- the controller compares the magnitude of the current supplied to the one or more electronic devices by the power receiving coil, the magnitude of the voltage, or the magnitude of the power with a predetermined reference value to fasten the lid and the main body status can be determined.
- the controller determines that when the magnitude of the current, the magnitude of the voltage, or the magnitude of the power is equal to or greater than the reference value, the fastening state of the lid and the body is normal, and the magnitude of the current, the When the magnitude of the voltage or the magnitude of the power is less than the reference value, it may be determined that the coupling state between the lid and the body is abnormal.
- the controller may display the fastening state information of the lid and the main body through a display module, or transmit the fastening state information of the lid and the main body to another device through a communication module.
- the cooking appliance may further include a heating coil disposed inside the main body.
- the inner pot may be heated by the heating coil.
- the cooking appliance may further include a power transmission coil disposed inside the main body and transmitting power transmitted from the outside to the power transmission coil.
- the inner pot may be heated by the power transmission coil.
- the cross-section of the body and the cross-section of the lid may be circular.
- power may be wirelessly supplied to an electronic device disposed in a storage space inside the lid of the cooking appliance using a power receiving coil disposed on the lid handle and a power transmission coil disposed on the body handle.
- components necessary for wirelessly supplying power to an electronic device disposed in the storage space inside the lid are not disposed in the internal space of the body. Therefore, even if the overall size of the cooking appliance does not increase, the size of the inner pot accommodating space becomes wider than in the prior art.
- power is wirelessly transmitted to an electronic device disposed in a storage space inside the lid of the cooking appliance using a power receiving coil disposed on the lid handle and a power transmission coil disposed on the body handle.
- the fastening state of the lid and the main body is quickly checked, and the confirmed fastening state of the lid and the main body is immediately displayed on the cooking appliance or the induction heating device. Accordingly, a situation in which the user attempts to cook in a state in which the inner pot receiving space of the main body is not completely sealed by the lid can be prevented.
- the user can easily and intuitively check the fastening state of the lid and the main body of the cooking appliance.
- the coupling state of the lid and the body is checked based only on the power transmitted into the lid through the power transmission coil and the power reception coil without a separate component for detecting the coupling state between the lid and the body. . Accordingly, it is possible to reduce the manufacturing cost and size of the cooking appliance.
- the cooking appliance according to an embodiment of the present specification is driven by a wireless power supply method that receives power wirelessly from an induction heating device, rather than a wired power supply method that receives power by inserting a plug connected to a cable into an outlet. Accordingly, the cooking appliance according to the exemplary embodiment of the present specification does not include a cable or a plug that is provided outside the main body of the conventional cooking appliance. Therefore, the user can move the cooking appliance freely and storage becomes convenient.
- the lid of the cooking appliance is completely separated from the main body. Accordingly, the lid can be cleaned more conveniently and the lid can be cleaned and managed more clearly. In addition, since the lid is completely separated from the main body, cleaning of the main body is also convenient. As such, since the main body and the lid can be conveniently washed, the cooking appliance can be used more hygienically.
- the cooking appliance may receive power wirelessly from the induction heating device, but the size of the induction heating device and the size of the heating region formed in the induction heating device are limited. Accordingly, the size of the lower surface of the cooking appliance in contact with the heating region of the induction heating apparatus is inevitably limited. According to an embodiment of the present specification, since the size of the inner pot accommodating space formed inside the main body can be increased without increasing the size of the lower surface of the main body in contact with the induction heating device, the cooking capacity of the cooking appliance is increased compared to the related art do.
- the outer surface of the main body of the cooking appliance may be made of a metal material.
- the upper surface of the lid completely separated from the body may be made of a metal material. Accordingly, the cooking appliance is resistant to contamination, and the user can conveniently clean the cooking appliance.
- the cooking appliance according to the prior art is supplied with electric power through a wire through a cable connected to an outlet, so it is not stored in a storage space but is placed in a fixed position and is not frequently moved by a user.
- the cooking appliance according to an embodiment of the present specification may receive power wirelessly through an induction heating device. Accordingly, the user may take out the cooking appliance from the storage space during cooking, place it on the induction heating device, and store the cooking appliance in the storage space when cooking is completed.
- the user since the user can easily lift the main body or the lid by using the main body handle and the lid handle, the user can move the cooking appliance conveniently, and the cooking appliance can be easily stored.
- the cooking appliance according to an embodiment of the present specification receives power from the induction heating device, power is supplied to the inside of the cooking device through the lower surface of the main body in contact with the induction heating device. Therefore, it is advantageous that the shape of the lower surface of the main body is circular in order to evenly transmit electric power to the inside of the cooking appliance.
- the lower surface of the main body is formed in a circular shape, when the cooking appliance is placed on the upper part of the induction heating apparatus, electric power can be uniformly transmitted into the cooking appliance regardless of a direction in which the cooking appliance faces.
- the lower surface of the cooking device since the lower surface of the cooking device is formed in a circular shape, the cooking device may be used in a non-directional manner on the induction heating apparatus.
- the size of the cooking appliance is limited according to the size of the induction heating device and the size of the heating area.
- the cooking appliance according to the exemplary embodiment of the present specification is frequently moved and accommodated unlike the conventional cooking appliance, it is preferable that the cooking appliance have a compact size so that a user can easily move and accommodate the cooking appliance. Due to this, the size of the cooking appliance is limited to a certain size or less. If the size of the cooking appliance is not limited, the coil for supplying power to the electronic devices inside the lid may be disposed inside the body by making the size of the body very large, and the size of the inner pot accommodating space may also be increased.
- the coil for supplying power to the electronic devices inside the lid is disposed inside the body in a state where the size of the cooking appliance is limited to a certain size or less due to the above reasons, there is a problem in that the size of the inner pot accommodation space is relatively reduced. .
- the size of the inner pot accommodating space and the size of the inner pot control the power supply to the electronic devices inside the cover.
- the size of the inner pot receiving space and the size of the inner pot are conventionally can be increased compared to
- FIG. 1 is a cross-sectional view of a conventional cooking appliance that heats an inner pot using induction heating disclosed in Patent Document 1. Referring to FIG.
- Patent Document 2 is a cross-sectional view of a conventional cooking appliance that heats an inner pot using induction heating disclosed in Patent Document 2;
- Patent Document 3 is a cross-sectional view of the pressure cooker disclosed in Patent Document 3;
- FIG. 4 is a perspective view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to an embodiment of the present specification are separated.
- FIG. 5 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to an embodiment of the present specification are coupled.
- FIG. 6 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to another embodiment of the present specification are coupled.
- FIG. 7 shows an embodiment in which a wireless transmitting coil disposed inside the body handle and a wireless receiving coil disposed inside the lid handle are each disposed in multiple layers.
- FIG. 8 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to another embodiment of the present specification are coupled.
- FIG. 9 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to another embodiment of the present specification are coupled.
- FIG. 10 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to another embodiment of the present specification are coupled.
- FIG 11 illustrates a case in which the fastening state of the lid and the main body of the cooking appliance placed on the upper portion of the induction heating apparatus is abnormal in one embodiment of the present specification.
- FIG. 12 illustrates a case in which the coupling state between the lid and the main body of the cooking appliance placed on the upper portion of the induction heating apparatus is normal in one embodiment of the present specification.
- an arbitrary component is disposed on the "upper (or lower)" of a component or “upper (or below)” of a component means that any component is disposed in contact with the upper surface (or lower surface) of the component. Furthermore, it may mean that other components may be interposed between the component and any component disposed on (or under) the component.
- each component when it is described that a component is “connected”, “coupled” or “connected” to another component, the components may be directly connected or connected to each other, but other components are “interposed” between each component. It should be understood that “or, each component may be “connected,” “coupled,” or “connected,” through another component.
- FIG. 4 is a perspective view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to an embodiment of the present specification are separated.
- 5 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to an embodiment of the present specification are combined.
- the cooking appliance 100 includes a lid 120 , an inner pot 130 , and a body 170 .
- the lid 120 is coupled to the main body 170 to seal the inner pot receiving space 172 formed inside the main body 170 . Accordingly, the lid 120 has a shape corresponding to the inner pot receiving space 172 of the body 170 .
- the cross-section of the lid 120 is circular, but the shape of the lid 120 may vary depending on the embodiment.
- the lid 120 according to an embodiment of the present specification is a detachable lid. That is, the lid 120 according to an embodiment of the present specification is not hinged with the body 170 , and is completely separated from the body 170 . As such, when the lid 120 is completely separated from the body 170, it is easy to move, wash, or repair the lid 120 and the body 170, respectively.
- a pressure weight 110 is disposed on the upper surface of the lid 120 .
- the pressure weight 110 controls the pressure inside the inner pot 130 when the food contained in the inner pot 130 is cooked in a state in which the lid 120 is coupled to the body 170 and the inner pot receiving space 172 is sealed. It serves to keep it constant. For example, when the pressure inside the inner pot 130 is higher than a preset pressure, the pressure weight 110 is raised by the steam inside the inner pot 130 and some steam may be discharged.
- a soundproofing cap 112 having a built-in sound absorbing member for reducing noise generated when steam is discharged by the pressure weight 110 is disposed in the peripheral portion of the pressure weight 110 .
- the lid 120 also includes a lid cover 114 . As shown in FIG. 5 , a lid storage space 118 is formed under the lid cover 114 .
- the lid storage space 118 accommodates electronic devices such as the controller 200 , the communication module 204 , and the display module 204 .
- a solenoid valve 115 for regulating the pressure inside the body 170 is disposed under the lid cover 114 .
- a lid cover 114 is coupled to the top of the lid storage space 118 to seal the lid storage space 118 .
- the lid cover 114 may be made of a metal material.
- the lid cover 114 is made of a metal material, it is convenient to wash foreign substances on the lid cover 114, and it is possible to prevent the lid cover 114 from being contaminated or colored due to other substances in the washing or cooking process. can
- the lid cover 114 is made of a metal material, shock or vibration applied from the outside is reduced, so that the components inside the lid 120 are more safely protected, and the lid 120 due to external shock, vibration, or temperature. As deformation is prevented, the durability of the cooking appliance 100 is improved.
- the lid cover 114 is made of a metal material, the aesthetics of the cooking appliance 100 is improved.
- the outer surfaces of the lid cover 114 and the main body 170 are made of the same metal material as will be described later, the sense of unity between the lid 120 and the main body 170 is improved when the lid 120 and the main body 170 are combined. is formed and the overall aesthetics of the cooking appliance 100 is improved.
- the cooking appliance 100 receives power wirelessly from the induction heating device. Therefore, in order not to affect the wireless power transmission with the induction heating device, the lid cover 114 is preferably made of a metal material in which eddy currents are not well induced by a magnetic field.
- the lid cover 114 may be made of a non-magnetic metal material that does not contain a magnetic material or has very low magnetism.
- the controller 200 is a device for controlling the driving of the cooking appliance 100 .
- the controller 200 may control the heating operation of the cooking appliance 100 according to a user's command or the driving state of the cooking appliance 100 or control the driving of the communication module 204 and the display module 204 to be described later. have.
- the controller 200 may determine the coupling state between the lid 120 and the main body 170 , and control the driving of the cooking appliance 100 according to the determination result.
- power is supplied to electronic devices disposed inside the lid storage space 118 by the power receiving coils 504a and 504b disposed inside the lid handles 116a and 116b to be described later.
- the controller 200 may determine the coupling state between the lid 120 and the main body 170 by comparing the magnitude of the current supplied to the electronic devices, the magnitude of the voltage, or the magnitude of the power with a predetermined reference value.
- the coupling state between the lid 120 and the body 170 is classified as 'normal' or 'abnormal'.
- the fastening state of the lid 120 and the main body 170 is 'normal' means that the lid 120 and the main body 170 are completely fastened so that the inner pot receiving space 172 of the main body 170 is closed to the lid 120. It means a state in which food is completely sealed by the , and thus food can be cooked by the cooking device 100 .
- the fastening state of the lid 120 and the main body 170 is 'abnormal' means that the lid 120 and the main body 170 are not completely fastened, so that the inner pot receiving space 172 of the main body 170 is located on the lid 120.
- the controller 200 determines the magnitude of the current measured by the current sensor (not shown) in advance. Compare with the reference current value. If the magnitude of the current measured by the current sensor (not shown) is equal to or greater than the reference current value, the controller 200 may determine the coupling state between the lid 120 and the body 170 as 'normal'. Conversely, if the magnitude of the current measured by the current sensor (not shown) is less than the reference current value, the controller 200 may determine the fastening state of the lid 120 and the body 170 as 'abnormal'.
- the controller 200 determines the magnitude of the voltage measured by the voltage sensor (not shown) in advance. Compare with the reference voltage value. When the magnitude of the voltage measured by the voltage sensor (not shown) is equal to or greater than the reference voltage value, the controller 200 may determine the coupling state between the lid 120 and the body 170 as 'normal'. Conversely, if the magnitude of the voltage measured by the voltage sensor (not shown) is less than the reference voltage value, the controller 200 may determine the coupling state between the lid 120 and the body 170 as 'abnormal'.
- the controller 200 calculates the magnitude of power supplied from the power reception coils 504a and 504b based on the magnitude of the current and the voltage supplied from the power reception coils 504a and 504b, and the calculated The magnitude of the power is compared with a predetermined reference power value. If the calculated power is greater than or equal to the reference power value, the controller 200 may determine the coupling state between the lid 120 and the main body 170 as 'normal'. Conversely, if the calculated power is less than the reference power value, the controller 200 may determine the coupling state between the lid 120 and the main body 170 as 'abnormal'.
- the communication module 204 is a device for wirelessly transmitting or receiving data or information under the control of the controller 200 .
- the communication module 204 is another device, such as a power supply circuit 181 inside the body 170 or a device other than the cooking appliance 100 (eg, the induction heating device 300 ). You can exchange data or information wirelessly with
- the display module 204 is a device for displaying information related to driving of the cooking appliance 100 .
- An example of the display module 204 may be a liquid crystal display, but the type of the display module 204 is not limited thereto.
- Each of the controller 200 , the communication module 204 , and the display module 204 may be implemented as a printed circuit board (PCB) in which an integrated circuit (IC) type chip is embedded, but is not limited thereto. It should also be noted that other electronic devices in addition to the controller 200 , the communication module 204 , and the display module 204 may be further disposed in the lid storage space 118 .
- PCB printed circuit board
- IC integrated circuit
- the solenoid valve 115 is driven by a control signal of the controller 200 .
- the pressure inside the inner pot 130 is adjusted by opening and closing the solenoid valve 115 under the control of the controller 200 during the cooking process.
- the lid 120 extends in the direction of the lower surface of the lid 120 from the first side portion 122 and the first side portion 122 that are formed to be inclined in a direction from the lid cover 114 to the lower surface of the lid 120 . and a second side portion 124 that is
- lid handles 116a , 116b Disposed on the first side portion 122 are lid handles 116a , 116b that allow a user to lift the lid 120 .
- the lid handles 116a and 116b protrude radially from one side of the lid 120 , such as the first side portion 122 .
- the position, number, and shape of the lid handles 116a and 116b may vary depending on the embodiment.
- the lid 120 is completely separated from the body 170 . Therefore, when the lid 120 is fastened with the main body 170 or the lid 120 placed on the main body 170 is separated from the main body 170, the user uses the lid handles 116a and 116b to the lid 120 ) can be easily lifted. Therefore, the movement and storage of the lid 120 is simplified. In particular, since the temperature of the lid 120 increases during the cooking process, the user does not get burned by lifting the lid 120 using the lid handles 116a and 116b.
- Power receiving coils 504a and 504b are disposed inside the lid handles 116a and 116b.
- the power receiving coils 504a and 504b are disposed inside the power receiving coil accommodating spaces 810a and 810b formed inside the lid handles 116a and 116b. Since the lid handles 116a and 116b radially protrude from one side of the lid 120 , the power receiving coils 504a and 504b are also disposed where they project radially from one side of the lid 120 .
- the distance R2 between the center 810 of the lower surface (or inner pot 130 ) of the main body 170 and the center of the power receiving coils 504a and 504b is the lower surface of the main body 170 . greater than the radius (R1) of
- the power receiving coils 504a and 504b generate current by using a magnetic field generated by the power transmitting coils 502a and 502b, as will be described later.
- the power receiving coils 504a and 504b are electrically connected to an electronic device disposed inside the lid storage space 118 of the lid 120 , such as the controller 200 , the communication module 204 , and the display module 204 . Accordingly, the current generated by the power receiving coils 504a and 504b may be supplied to an electronic device disposed inside the lid storage space 118 , such as the controller 200 , the communication module 204 , and the display module 204 . .
- a power conversion device for converting AC power supplied by the power receiving coils 504a and 504b into DC power is disposed inside the lid storage space 118 of the lid 120 .
- An electronic device driven by DC power instead of AC power supplied by the power receiving coils 504a and 504b may be disposed inside the lid storage space 118 of the lid 120 .
- a power converter (not shown) that converts AC power into DC power may be disposed.
- the lid handle (116a, 116b) may be made of a non-metallic material.
- the lid handles 116a and 116b may be made of a plastic material having low electrical and thermal conductivity.
- thermal energy is generated in the power receiving coils 504a and 504b itself. Accordingly, when the lid handles 116a and 116b are made of a non-metallic material, the user does not feel discomfort due to high temperature when holding the lid handles 116a and 116b, and the possibility of getting burned is prevented.
- the lid handles 116a and 116b are made of a non-metallic material, so that power loss due to the lid handles 116a and 116b is minimized. Accordingly, the efficiency of wireless power transmission by the power receiving coils 504a and 504b is increased.
- the inner pot 130 is a container for storing food to be cooked or cooked food.
- the inner pot 130 has a shape corresponding to the inner pot receiving space 172 formed in the body 170 .
- the inner pot 130 since the inner pot 130 is heated by induction heating, the inner pot 130 may be made of a magnetic metal material.
- the material of the inner pot 130 may be cast iron containing iron (Fe), or a clad in which iron (Fe), aluminum (Al), and stainless steel are joined.
- the present invention is not limited thereto.
- a plurality of first fastening protrusions 148 are formed around the end of the inner pot 130 .
- the inner pot 130 of The first fastening protrusion 148 formed around the end engages with the second fastening protrusion (not shown) formed on the fastening ring 126 disposed on the lower surface of the lid 120 .
- the first fastening protrusion 148 of the inner pot 130 and the second fastening protrusion (not shown) formed on the lower surface of the lid 120 engage each other so that the lid 120 does not separate from the body 170 .
- the lid 120 and the body 170 are completely fastened.
- the body 170 has a hollow cylindrical shape.
- An inner pot accommodating space 172 in which the inner pot 130 is accommodated is formed in the empty space inside the body 170 .
- One surface, eg, the upper surface, of the body 170 is open, and one surface, eg, the lower surface, of the main body 170 is not opened.
- the cross-section of the upper surface and the cross-section of the lower surface of the main body 170 are each circular.
- the cooking appliance 100 may be driven in a non-directional manner.
- the non-directional driving of the cooking appliance 100 means that the outer surface of the main body 170 faces in a state in which the body 170 is placed on the induction heating device for driving the cooking appliance 100 , which is different from the direction. Regardless, it means that the inner pot 130 can be heated by the induction heating device.
- the cooking appliance 100 according to the present specification has a cylindrical shape in which the front and rear sides and the left and right sides are not distinguished, unlike a conventional cooking appliance.
- the inner pot 130 is heated by the induction heating device regardless of which direction the outer surface of the main body 170 faces. can be heated.
- the shape of the body 170 may be a shape other than a cylindrical shape.
- the outer surface of the body 170 may be made of a metal material.
- the outer surface of the main body 170 is made of a metal material, it is convenient to wash foreign substances on the outer surface of the main body 170, and the outer surface of the main body 170 is contaminated due to other substances during washing or cooking. It is possible to prevent contamination.
- the outer surface of the main body 170 is made of a metallic material, shock or vibration applied from the outside is reduced, so that the components inside the main body 170 are more safely protected, and the main body 170 caused by external shock, vibration, or temperature. ) is prevented from being deformed, so that the durability of the cooking appliance 100 is improved.
- the outer surface of the main body 170 is made of a metal material, the aesthetics of the cooking appliance 100 is improved.
- the outer surfaces of the lid cover 114 and the main body 170 are made of the same metal material, a sense of unity between the lid 120 and the main body 170 is formed when the lid 120 and the main body 170 are combined.
- the overall aesthetics of (100) are improved.
- the cooking appliance 100 receives power wirelessly from the induction heating device. Therefore, in order not to affect the wireless power transmission with the induction heating device, the outer surface of the main body 170 is preferably made of a metal material in which eddy currents are not easily induced by a magnetic field.
- the outer surface of the body 170 may not contain a magnetic material or may be made of a non-magnetic metal material having very low magnetism.
- the lower surface of the main body 170 is in contact with the bottom surface of the cooking space or the upper surface of the induction heating device during the cooking process.
- the lower surface of the body 170 is preferably made of a non-metallic material (eg, plastic).
- the cooking appliance 100 when the cooking appliance 100 according to an embodiment of the present specification receives power from the induction heating device, power is supplied into the cooking device 100 through the lower surface of the main body 170 in contact with the induction heating device. do. Therefore, it is advantageous that the shape of the lower surface of the main body 170 is circular in order to evenly transmit power to the inside of the cooking appliance 100 .
- the lower surface of the main body 170 is formed in a circular shape, when the cooking device 100 is placed on the upper part of the induction heating device, power is evenly transmitted into the cooking device 100 regardless of the direction in which the cooking device 100 faces. can As such, since the lower surface of the main body 170 is formed in a circular shape, the cooking appliance 100 can be used in a non-directional manner on the induction heating apparatus.
- a power supply circuit 181, a heating coil 182, a power transmission coil 500, and a temperature sensor 184 are disposed in the body storage space 850 formed inside the body 170. do.
- the cooking appliance 100 may be driven by power supplied from an external power source.
- the power supply circuit 181 converts power supplied from an external power source to supply a high-frequency current to the heating coil 182 . That is, in the embodiment shown in FIG. 5 , the cooking appliance 100 is connected to an external power source by wire and may receive power from the external power source.
- the cooking appliance 100 may receive power from another device other than an external power source, for example, the induction heating device 300 to perform cooking or storage operation. That is, in the embodiment shown in FIG. 5 , the cooking appliance 100 may receive power by wire or wirelessly.
- the power transmission coil 500 receives power from the working coils 311 and 312 of the induction heating device 300 .
- the power transmission coil 500 is electrically connected to the heating coil 182 .
- the power transmission coil 500 by the magnetic field generated in the working coils 311 and 312. current is induced in The current induced in the power transmission coil 500 is supplied to the heating coil 182 electrically connected to the power transmission coil 500 to enable heating of the inner pot 130 by the heating coil 182 .
- the power transmission coil 500 is electrically connected to the power transmission coils 502a and 502b. Accordingly, the current generated by the power transmission coil 500 may be transmitted to the power transmission coils 502a and 502b.
- the current generated by the power transmission coil 500 is transferred to the power transmission coils 502a and 502b, a magnetic field is generated around the power transmission coils 502a and 502b while the current flows in the power transmission coils 502a and 502b.
- the cooking appliance 100 may be placed on the induction heating device 300 to receive power from the working coils 311 and 312 .
- the overlapping area between the power transmission coil 500 and the working coils 311 and 312 should be wider.
- the working coils 311 and 312 disposed inside the induction heating device 300 mostly have a circular, oval or rectangular shape having a center, so that the power transmission coil 500 and the working coils 311 and 312 overlap
- it is advantageous for the cross section of the body 170 and the power transmission coil 500 to each have a circular shape.
- the cross-sectional shape of the lid 120 is also circular.
- the working coils 311 and 312 are disposed It becomes easy to match the center of the heating region with the center of the cooking appliance 100 .
- the cross-section of the body 170 and the cross-section of the lid 120 mean a cross-section parallel to the bottom surface of the body 170, respectively.
- the temperature sensor 184 senses the temperature of the bottom surface of the inner pot 130 when the cooking appliance 100 is driven.
- the body 170 has an inner pot accommodating space 172 for accommodating the inner pot 130 is formed.
- An outer end 140 is formed on the outer peripheral surface forming the outermost portion of the inner pot accommodating space 172 .
- Body handles 171a and 171b for allowing a user to lift the body 170 are disposed on the outer end 140 .
- the body handles 171a and 171b radially protrude from one side of the body 170 , for example, the outer end 140 .
- the position, number, and shape of the body handles 171a and 171b may vary depending on the embodiment.
- the cooking appliance 100 may receive power wirelessly through the induction heating device 300 without receiving power through a wired cable. Therefore, the user should be able to easily lift the main body 170 and put it on the upper part of the induction heating device 300 or easily lift the main body 170 placed on the upper part of the induction heating device 300 .
- a user can easily lift the main body 170 by using the main body handles 171a and 171b, thereby increasing user convenience and mobility of the cooking appliance 100, and the cooking appliance. (100) storage becomes convenient.
- the temperature of the main body 170 increases during the cooking process, the user does not suffer burns by lifting the main body 170 using the main body handles 171a and 171b.
- Power transmission coils 502a and 502b are disposed inside the body handles 171a and 171b.
- the power transmission coils 502a and 502b are disposed inside the power transmission coil accommodation spaces 812a and 812b formed inside the body handles 171a and 171b. Since the main body handles 171a and 171b protrude in a radial direction from one side of the main body 170 , the power transmission coils 502a and 502b are also disposed at a radially protruding place from one side of the main body 170 .
- the distance R2 between the center 810 of the lower surface (or inner pot 130 ) of the main body 170 and the center of the power transmission coils 502a and 502b is the lower surface of the main body 170 . greater than the radius (R1) of
- the power transmitting coils 502a and 502b perform wireless power transmission to the power receiving coils 504a and 504b by generating a magnetic field based on the current supplied by the power transmitting coil 500 .
- the body handles 171a and 171b may be made of a non-metallic material.
- the body handles 171a and 171b may be made of a plastic material having low electrical and thermal conductivity.
- thermal energy is generated in the power transmission coils 502a and 502b itself. Therefore, if the body handle (171a, 171b) is made of a non-metallic material, the user does not feel discomfort when holding the body handle (171a, 171b), the user is likely to get burned when holding the body handle (171a, 171b) This is prevented.
- the main body handles 171a and 171b are made of a non-metallic material, so that power loss due to the main body handles 171a and 171b is minimized. Accordingly, the efficiency of wireless power transmission by the power transmission coils 502a and 502b is increased.
- the lid 120 according to an embodiment of the present specification is completely separated from the main body 170, and only the main body 170 receives power directly from an external power source or an induction heating device. Therefore, in order to drive the electronic devices disposed inside the lid storage space 118 , power must be supplied from the body 170 to the lid 120 .
- the body 170 As a means for the body 170 to supply power to the lid 120 , it may be considered to arrange an electrode for power transmission on one side of the body 170 and one side of the lid 120 , respectively.
- an electrode for power transmission on one side of the body 170 and one side of the lid 120 , respectively.
- the power transmitting coils (502a, 502b) and the power receiving coils (504a, 504b) are respectively disposed on the inside of the body handle (171a, 171b) and the lid handle (116a, 116b), so to the outside not exposed Accordingly, cleaning of the main body 170 and the lid 120 is facilitated, and the probability of a malfunction is reduced, thereby improving the durability of the cooking appliance 100 .
- the inner pot accommodating space 172 has a first inner stepped portion 142 formed to be stepped from the outer end 140 and a second inner stepped portion 144 formed to be stepped from the first inner stepped portion 142, respectively. is formed
- the end of the first side part 122 of the lid 120 is supported by the first inner stepped part 142 .
- the second fastening protrusion (not shown) formed on the fastening ring 126 of the lid 120 is a second fastening on the second inner stepped portion 144 . It engages with the dragon protrusion 148 .
- a power transmission coil ( 502a and 502b are disposed inside the body handles 171a and 171b rather than inside the body 170 .
- the power transmission coils 502a and 502b are not disposed inside the main body storage space 850 . Accordingly, there is no need to allocate a space for arranging the power transmission coils 502a and 502b inside the outer end 140 of the main body 170 as in the conventional cooking appliance shown in FIG. 1 .
- the size H3 of the outer end 140 inside the body 170 is reduced compared to the prior art.
- the size H3 of the inner space of the outer end 140 decreases, the size H4 of the remaining space except for the outer end 140 among the inner spaces of the body 170 increases. Accordingly, since the size of the inner pot accommodating space 172 inside the main body 170 is increased compared to the conventional one, the cooking capacity of the cooking appliance 100 is increased.
- the cooking appliance 100 may be placed on the induction heating device 300 for power supply.
- the size of the lower surface of the induction heating device 300 and the size of the heating region formed on the upper portion of the induction heating device are each limited to a specific size. Therefore, the overall size (H3+H4+H3) of the cooking appliance 100 that needs to be supplied with power through the induction heating device 300 is also limited to a specific size. As such, in a situation in which the overall size (H3+H4+H3) of the cooking appliance 100 is limited, as the size (H3) of the inner space of the outer end 140 decreases, the size (H4) of the inner pot receiving space 172 decreases. can be larger
- the size of the inner pot accommodating space becomes larger than that of the conventional cooking appliance, so that food having a larger capacity can be cooked or stored.
- FIG. 6 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to another embodiment of the present specification are coupled.
- the configuration of the cooking appliance 100 shown in FIG. 6 is basically the same as that of the cooking appliance 100 shown in FIG. 5 .
- the cooking appliance 100 is not connected to an external power source by wire and only receives power wirelessly from the induction heating device 300 .
- a power supply circuit 181 in FIG. 5 for converting power supplied from an external power source and supplying a high frequency current to the heating coil 182 is not disposed in the main body storage space 850 .
- the heating coil 182 shown in FIG. 5 is not disposed in the body storage space 850 .
- the power transmission coil 500 is disposed on the lower surface of the body storage space 850 in the embodiment of FIG. 6 .
- the power transmission coil 500 is disposed closer to the center of the inner pot 130 compared to the embodiment of FIG. 5 .
- the power transmission coil 500 is induction heated by the working coils 311 and 312 of the induction heating device 300 , and the inner pot 130 is heated by the power transmission coil 500 . Also, although not shown, the power transmission coil 500 is electrically connected to the power transmission coil 502a and transmits the current induced by the working coils 311 and 312 of the induction heating device 300 to the power transmission coil 502a. transmit
- the power transmission coil 500 transmits power to the power transmission coil 502a while heating the inner pot 130 . Accordingly, since the heating coil 500 shown in FIG. 5 is omitted, components constituting the cooking appliance 100 are simplified and manufacturing cost is reduced.
- FIG. 7 shows an embodiment in which a wireless transmitting coil disposed inside the body handle and a wireless receiving coil disposed inside the lid handle are each disposed in multiple layers.
- the power transmitting coils 502a and 502b are arranged in a single layer inside the body handles 171a and 171b, and the power receiving coils 504a and 504b inside the lid handles 116a and 116b. ) is laid out as a single layer.
- the power transmission coils 502a, 502b disposed inside the body handles 171a, 171b may be disposed in multiple layers, and the power reception coils disposed inside the lid handles 116a, 116b.
- the coils 504a and 504b may be arranged in multiple layers.
- the first power transmission coil 502a and the second power transmission coil 502c disposed on a different layer from the first power transmission coil 502a are double It can be arranged in layers.
- the first power receiving coil 504a and the second power receiving coil 504c disposed on a different layer from the first power receiving coil 504a may be arranged in a double layer.
- the power transmitting coil and the power receiving coil are respectively arranged in a double layer.
- the power transmitting coil and the power receiving coil may each be composed of three or more layers.
- FIG. 8 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to another embodiment of the present specification are coupled.
- 9 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to another embodiment of the present specification are combined.
- the configuration of the cooking appliance 100 shown in FIGS. 8 and 9 is basically the same as that of the cooking appliance 100 shown in FIG. 6 .
- the body 170 has a cylindrical shape in which the radius of the cross section is the same in the vertical direction.
- the body 170 has a cylindrical shape in which the radius of the cross-section decreases from the top to the bottom of the body 170 . In other words, the thickness of the outer surface of the main body 170 increases from the lower surface to the upper surface of the main body 170 .
- the radius of the outer peripheral surface of the lid 120 coincides with the radius of the upper surface of the body 170 .
- power receiving coil accommodating spaces 810a and 810b are formed inside the outer surface of the lid 120
- power transmitting coil accommodating spaces 812a and 812b are formed inside the outer surface of the body 170 .
- the positions of the power receiving coil accommodating spaces 810a and 810b correspond to the positions of the power transmitting coil accommodating spaces 812a and 812b. Accordingly, the positions of the power receiving coils 504a and 504b accommodated in the power receiving coil accommodating spaces 810a and 810b are the positions of the power transmitting coils 502a and 502b accommodated in the power transmitting coil accommodating spaces 812a and 812b. position and correspond to each other.
- the lid handle is not disposed on one side of the lid 120, the body handle is not disposed on one side of the main body (170).
- the lid handles 116a and 116b protruding in one direction are disposed on one side of the lid 120, and the body handles 171a and 171b protruding in one direction on one side of the body 170 are disposed. can be placed.
- the distance R2 between the center 810 of the lower surface (or inner pot 130 ) of the main body 170 and the center of the power receiving coils 504a and 504b is the lower surface of the main body 170 . greater than the radius (R1) of
- the power transmission coils 502a and 502b are not disposed inside the main body storage space 850 . Accordingly, there is no need to allocate a space for arranging the power transmission coils 502a and 502b inside the outer end 140 of the main body 170 as in the conventional cooking appliance shown in FIG. 1 . As a result, as shown in FIG. 5 , the size H3 of the inner space of the outer end 140 inside the body 170 is reduced compared to the prior art. When the size H3 of the inner space of the outer end 140 decreases, the size H4 of the remaining space except for the outer end 140 among the inner spaces of the body 170 increases. Accordingly, since the size of the inner pot accommodating space 172 inside the main body 170 is increased compared to the conventional one, the cooking capacity of the cooking appliance 100 is increased.
- FIG. 10 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to another embodiment of the present specification are coupled.
- the configuration of the cooking appliance 100 shown in FIG. 10 is basically the same as that of the cooking appliance 100 shown in FIG. 6 .
- the thickness of the outer end 140 of the body 170 is formed to be thicker than the thickness of the outer end 140 of the body 170 shown in FIG. 6 .
- the main body handle (171a, 171b) is disposed at the lower portion of the outer end (140). The body handles 171a and 171b protrude from the outer surface of the body 170 in one direction.
- Power transmission coil accommodating spaces 812a and 812b are formed inside the outer end 140 .
- Power transmission coils 502a and 502b are disposed inside the power transmission coil accommodation spaces 812a and 812b.
- the lid coupling protrusion 820 is formed on the outer peripheral surface of the lid 120 .
- the lid coupling protrusion 820 protrudes from the outer peripheral surface of the lid 120 toward the lower surface of the body 170 .
- the outer surface of the lid coupling protrusion 820 is connected to the first side portion 122 .
- the first side portion 122 extends from the outer circumferential surface of the lid 120 to form the lid engaging protrusion 820 .
- the inner peripheral surface of the lid engaging projection 820 is in close contact with the outer peripheral surface of the outer end 140
- the lower end of the lid engaging projection 820 is the body handle (
- the upper surfaces of 171a and 171b) are in close contact with each other.
- the upper surface of the outer end 140 is in close contact with the inner surface of the lid (120). Accordingly, the inner pot receiving space 172 of the main body 170 is sealed by the lid 120 .
- the length of the main body handle may be longer than the length of the main body handle 171a and 171b shown in FIG. 10 . Accordingly, in a state in which the lid 120 is coupled to the upper surface of the main body 170 , the user can lift the cooking appliance 100 by using the main body handle.
- power receiving coil accommodating spaces 810a and 810b are formed inside the lid coupling protrusion 820
- power transmitting coil accommodating spaces 812a and 812b are formed inside the outer end 140 . do.
- Power receiving coils 504a and 504b are disposed inside the power receiving coil accommodating spaces 810a and 810b
- power transmitting coils 502a and 502b are disposed inside the power transmitting coil accommodating spaces 812a and 812b.
- the positions of the power receiving coil accommodating spaces 810a and 810b correspond to the positions of the power transmitting coil accommodating spaces 812a and 812b.
- the positions of the power receiving coils 504a and 504b accommodated in the power receiving coil accommodating spaces 810a and 810b are the positions of the power transmitting coils 502a and 502b accommodated in the power transmitting coil accommodating spaces 812a and 812b. position and correspond to each other.
- the power transmitting coils 502a and 502b and the power receiving coils 504a and 504b are respectively disposed parallel to the lower surface of the main body 170 .
- the power transmitting coils 502a and 502b and the power receiving coils 504a and 504b are disposed in a direction perpendicular to the lower surface of the body 170 .
- the distance (R2) between the contact surface of the center 810 of the lower surface (or inner pot 130) of the body 170 and the inner circumferential surface of the lid engaging protrusion 820 and the outer circumferential surface of the outer end 140 is , greater than the radius R1 of the lower surface of the body 170 .
- the distance between the center 810 of the lower surface (or inner pot 130) of the main body 170 and the power transmission coils 502a, 502b, or the lower surface (or The distance between the center 810 of the inner pot 130 and the power receiving coils 504a and 504b may be set to be greater than the radius R1 of the lower surface of the main body 170 .
- the power transmission coils 502a and 502b are not disposed inside the main body storage space 850 . Accordingly, there is no need to allocate a space for arranging the power transmission coils 502a and 502b inside the outer end 140 of the main body 170 as in the conventional cooking appliance shown in FIG. 1 . As a result, as shown in FIG. 10 , the size H3 of the inner space of the outer end 140 inside the body 170 is reduced compared to the prior art. When the size H3 of the inner space of the outer end 140 decreases, the size H4 of the remaining space except for the outer end 140 among the inner spaces of the body 170 increases. Accordingly, since the size of the inner pot accommodating space 172 inside the main body 170 is increased compared to the conventional one, the cooking capacity of the cooking appliance 100 is increased.
- a lid handle protruding in one direction may be disposed on one side of the outer peripheral surface of the lid coupling protrusion 820 of the lid 120 shown in FIG. 10 .
- FIG. 11 illustrates a case in which the fastening state of the lid and the main body of the cooking appliance placed on the upper portion of the induction heating apparatus is abnormal in one embodiment of the present specification.
- FIG. 12 shows a case in which the coupling state between the lid and the main body of the cooking appliance placed on the upper portion of the induction heating apparatus is normal in one embodiment of the present specification.
- the cooking appliance 100 may be heated by an induction heating device 300 .
- working coils 311 and 312 are disposed inside the induction heating apparatus 300 , and the cooking appliance 100 may be placed on the working coils 311 and 312 .
- a user who wants to cook food using the cooking device 100 places the cooking device 100 on the upper portion of the induction heating device 300 to which power is applied, and places the inner pot 130 containing food in the inner pot receiving space 172 . put it in
- the user couples the lid 120 to the open upper surface of the body 170 .
- the user may prevent the lid handles 116a and 116b of the lid 120 and the body handles 171a and 171b of the main body 170 from coincident with each other, in other words, the lid handles of the lid 120 .
- (116a, 116b) and the body handle (171a, 171b) of the body 170 is coupled to the lid 120 to the open upper surface of the body 170 so as not to overlap each other.
- the controller 200 disposed inside the lid 120 cannot determine the fastening state between the lid 120 and the main body 170 .
- the display module disposed inside the lid 120 is not driven, no information is displayed on the display window 400 of the lid 120 as shown in FIG. 11 .
- the display window 400 of the lid 120 or the display window 410 of the induction heating device 300 has No information is displayed. Therefore, the user can easily recognize that the fastening between the lid 120 and the body 170 is not completely made.
- the power transmission coils (502a, 502b) and the lid disposed on the body handle (171a, 171b) start to overlap each other by the rotation of the lid 120
- the power receiving coils 504a and 504b disposed inside the handles 116a and 116b begin to overlap.
- wireless power transmission between the power transmission coils 502a and 502b and the power reception coils 504a and 504b begins.
- a current is induced in the power transmission coil 500 .
- the current induced in the power transmission coil 500 is a power transmission coil 502a, 502b)
- a magnetic field is created around it.
- a current is induced in the power receiving coils 504a and 504b disposed inside the lid handles 116a and 116b by this magnetic field.
- the current induced in the power receiving coils 504a and 504b is supplied to an electronic device disposed inside the lid 120 .
- the lid handles (116a, 116b) and the body handles (117a, 117b), that is, the overlapping area of the power transmission coils (502a, 502b) and the power reception coils (504a, 504b) increases, the lid The amount of power supplied to the electronic device disposed inside 120 gradually increases. That is, the amount of power supplied to the electronic device is proportional to an area where the power transmitting coils 502a and 502b and the power receiving coils 504a and 504b overlap.
- the overlapping area of the power transmitting coils 502a and 502b and the power receiving coils 504a and 504b gradually increases is the center of the power transmitting coils 502a and 502b and the center of the power receiving coils 504a and 504b. This means that the distance between them is getting closer. Accordingly, the amount of power supplied to the electronic device is inversely proportional to a distance between the centers of the power transmitting coils 502a and 502b and the centers of the power receiving coils 504a and 504b.
- the overlapping area of the power transmitting coils 502a and 502b and the power receiving coils 504a and 504b becomes the maximum, that is, the power transmitting coils 502a and 502b and the power receiving coils 504a and 504b completely overlap. At this time, the amount of power supplied to the electronic device disposed inside the lid 120 becomes the maximum.
- the fact that the power transmission coils 502a and 502b and the power reception coils 504a and 504b completely overlap each other means that the centers of the power transmission coils 502a and 502b and the centers of the power reception coils 504a and 504b coincide with each other. means to do
- the power transmitting coil (502a, 502b) and the power receiving coil (504a, 504b) are completely mutually may overlap.
- the size of the lid handle (116a, 116b) and the size of the main body handle (117a, 117b) when looking at the cooking appliance 100 vertically from the top of the lid 120 are set to be equal to each other can be Therefore, when the lid handles 116a and 116b and the body handles 117a and 117b completely overlap each other, when the cooking appliance 100 is viewed vertically from the top of the lid 120 , the body handles 117a and 117b are the lid handles. It may be completely hidden by the 116a and 116b .
- the controller 200 receiving power from the power receiving coils 504a and 504b determines the fastening state between the lid 120 and the main body 170 .
- the controller 200 compares the magnitude of the current, the magnitude of the voltage, or the magnitude of the power supplied to the electronic devices by the power receiving coils 504a and 504b with a predetermined reference value to the lid 120 ) and the fastening state of the main body 170 can be determined.
- the controller 200 determines the magnitude of the current measured by the current sensor (not shown) in advance. Compare with the reference current value. If the magnitude of the current measured by the current sensor (not shown) is equal to or greater than the reference current value, the controller 200 may determine the coupling state between the lid 120 and the body 170 as 'normal'. Conversely, if the magnitude of the current measured by the current sensor (not shown) is less than the reference current value, the controller 200 may determine the fastening state of the lid 120 and the body 170 as 'abnormal'.
- the controller 200 determines the magnitude of the voltage measured by the voltage sensor (not shown) in advance. Compare with the reference voltage value. When the magnitude of the voltage measured by the voltage sensor (not shown) is equal to or greater than the reference voltage value, the controller 200 may determine the coupling state between the lid 120 and the body 170 as 'normal'. Conversely, if the magnitude of the voltage measured by the voltage sensor (not shown) is less than the reference voltage value, the controller 200 may determine the coupling state between the lid 120 and the body 170 as 'abnormal'.
- the controller 200 calculates the magnitude of power supplied from the power reception coils 504a and 504b based on the magnitude of the current and the voltage supplied from the power reception coils 504a and 504b, and the calculated The magnitude of the power is compared with a predetermined reference power value. If the calculated power is greater than or equal to the reference power value, the controller 200 may determine the coupling state between the lid 120 and the main body 170 as 'normal'. Conversely, if the calculated power is less than the reference power value, the controller 200 may determine that the coupling state between the lid 120 and the main body 170 is 'abnormal'.
- the display window 400 of the lid 120 has No information may be displayed, or information (eg, “U”) indicating that the fastening between the lid 120 and the main body 170 is abnormal may be displayed or flashed.
- the controller 200 controls the display module to display information indicating that the fastening between the lid 120 and the main body 170 has been made. Accordingly, information indicating that the fastening between the lid 120 and the body 170 is normal may be displayed on the display window 400 of the lid 120 . For example, as shown in FIG. 12 , “00:00”, which is information indicating that the fastening between the lid 120 and the main body 170 is normal, is continuously displayed or blinks on the display window 400 of the lid 120 .
- the controller 200 connects the lid 120 and the main body 170 to another device, for example, the induction heating device 300 through the communication module. It transmits information on the fastening state between the lid 120 and the main body 170, which is information indicating that this is normal. Accordingly, information indicating that the coupling between the lid 120 and the body 170 is normal may be displayed on the display window 410 of the induction heating device 300 . For example, as shown in FIG. 12 , “0”, which is information indicating that the fastening between the lid 120 and the body 170 is normal, is continuously displayed or blinks on the display window 410 of the induction heating device 300 .
- the user can easily and intuitively recognize the fastening state between the lid 120 and the body 170 through the display window 400 of the lid 120 or the display window 410 of the induction heating device 300 . have. Accordingly, a situation in which a user attempts to cook in a state in which the lid 120 and the main body 170 are not fastened is prevented. In addition, the user can easily and intuitively recognize that food can be cooked using the cooking device 100 because the lid 120 and the main body 170 are completely fastened. A user who has confirmed that the fastening state between the lid 120 and the body 170 is normal sets the heating level of the cooking device 100 through the operation unit 420 of the induction heating device 300 and inputs a heating command to the cooking device ( 100) can be driven.
- the cooking appliance 100 determines the fastening state between the lid 120 and the main body 170 without a separate device, and the lid 120 and the main body 170 are not provided. ) can display the fastening state between them. Therefore, the user can easily and intuitively check whether the fastening between the lid 120 and the body 170 is completely made.
- a separate device for determining the fastening state between the lid 120 and the main body 170 is not provided in the cooking appliance 100 . Accordingly, there is an advantage in that the manufacturing cost and size of the cooking appliance are reduced compared to the related art.
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Abstract
Description
Claims (42)
- 내솥 수용 공간이 형성되는 본체;상기 내솥 수용 공간에 수용되는 내솥;상기 내솥 수용 공간을 밀폐하도록 상기 본체의 일면과 결합되며, 내부에는 하나 이상의 전자 장치를 수용하는 저장 공간이 형성되는 뚜껑;상기 본체의 일측에 형성되는 본체 손잡이의 내부에 배치되고 외부로부터 전달되는 전력을 수신하는 전력 송신 코일; 및상기 뚜껑의 일측에 형성되는 뚜껑 손잡이의 내부에 배치되고 상기 전력 송신 코일이 송신한 전력을 수신하는 전력 수신 코일을 포함하고,상기 하나 이상의 전자 장치는 상기 전력 수신 코일이 수신하는 전력에 의해서 구동되는조리 기기.
- 제1항에 있어서,상기 뚜껑은 상기 본체와 회전 결합되고,상기 뚜껑이 상기 내솥 수용 공간을 밀폐하도록 상기 본체의 일면과 결합될 때 상기 본체 손잡이는 상기 뚜껑 손잡이와 완전히 겹쳐지는조리 기기.
- 제1항에 있어서,상기 뚜껑은 상기 본체와 완전히 분리되는 분리형 뚜껑인조리 기기.
- 제1항에 있어서,상기 본체 손잡이 및 상기 뚜껑 손잡이는 비금속성 재질로 이루어지는조리 기기.
- 제1항에 있어서,상기 본체 손잡이는 상기 본체의 일측으로부터 반경 방향으로 돌출되고,상기 뚜껑 손잡이는 상기 뚜껑의 일측으로부터 반경 방향으로 돌출되는조리 기기.
- 제1항에 있어서,상기 하나 이상의 전자 장치에 전달되는 전력의 크기는 상기 전력 송신 코일과 상기 전력 수신 코일이 겹쳐지는 면적에 비례하는조리 기기.
- 제1항에 있어서,상기 저장 공간에는 상기 전력 수신 코일에 의해서 공급되는 교류 전력을 직류 전력으로 변환하는 전력 변환 장치가 배치되는조리 기기.
- 제1항에 있어서,상기 저장 공간에는 상기 뚜껑과 상기 본체의 체결 상태를 판별하는 제어기가 배치되고,상기 제어기는 상기 전력 수신 코일에 의해서 상기 하나 이상의 전자 장치에 공급되는 전류의 크기, 전압의 크기 또는 전력의 크기를 미리 정해진 기준값과 비교하여 상기 뚜껑과 상기 본체의 체결 상태를 판별하는조리 기기.
- 제8항에 있어서,상기 제어기는상기 전류의 크기, 상기 전압의 크기 또는 상기 전력의 크기가 상기 기준값 이상이면 상기 뚜껑과 상기 본체의 체결 상태가 정상인 것으로 판별하고,상기 전류의 크기, 상기 전압의 크기 또는 상기 전력의 크기가 상기 기준값 미만이면 상기 뚜껑과 상기 본체의 체결 상태가 비정상인 것으로 판별하는조리 기기.
- 제8항에 있어서,상기 제어기는디스플레이 모듈을 통해 상기 뚜껑과 상기 본체의 체결 상태 정보를 표시하거나, 통신 모듈을 통해 상기 뚜껑과 상기 본체의 체결 상태 정보를 다른 장치에 전송하는조리 기기.
- 제1항에 있어서,상기 본체 내부에 배치되는 가열 코일을 더 포함하고,상기 내솥은 상기 가열 코일에 의해서 가열되는조리 기기.
- 제1항에 있어서,상기 본체 내부에 배치되며 외부로부터 전송되는 전력을 상기 전력 송신 코일로 전달하는 전력 전달 코일을 더 포함하는조리 기기.
- 제12항에 있어서,상기 내솥은 상기 전력 전달 코일에 의해서 가열되는조리 기기.
- 제1항에 있어서,상기 본체의 횡단면 및 상기 뚜껑의 횡단면은 원형인조리 기기.
- 내솥 수용 공간이 형성되는 본체;상기 내솥 수용 공간에 수용되는 내솥;상기 내솥 수용 공간을 밀폐하도록 상기 본체의 일면과 결합되며, 내부에는 하나 이상의 전자 장치를 수용하는 저장 공간이 형성되는 뚜껑;상기 본체의 일측으로부터 반경 방향으로 돌출되는 위치에 배치되고 외부로부터 전달되는 전력을 수신하는 전력 송신 코일; 및상기 뚜껑의 일측으로부터 반경 방향으로 돌출되는 위치에 배치되고 상기 전력 송신 코일이 송신한 전력을 수신하는 전력 수신 코일을 포함하고,상기 하나 이상의 전자 장치는 상기 전력 수신 코일이 수신하는 전력에 의해서 구동되는조리 기기.
- 제15항에 있어서,상기 뚜껑은 상기 본체와 회전 결합되고,상기 뚜껑이 상기 내솥 수용 공간을 밀폐하도록 상기 본체의 일면과 결합될 때 상기 전력 송신 코일과 상기 전력 수신 코일은 서로 완전히 겹쳐지는조리 기기.
- 제15항에 있어서,상기 뚜껑은 상기 본체와 완전히 분리되는 분리형 뚜껑인조리 기기.
- 제15항에 있어서,상기 전력 송신 코일은 상기 본체의 일측에 형성되는 본체 손잡이 내부에 배치되고,상기 전력 수신 코일은 상기 뚜껑의 일측에 형성되는 뚜껑 손잡이 내부에 배치되는조리 기기.
- 제18항에 있어서,상기 본체 손잡이 및 상기 뚜껑 손잡이는 비금속성 재질로 이루어지는조리 기기.
- 제15항에 있어서,상기 하나 이상의 전자 장치에 전달되는 전력의 크기는 상기 전력 송신 코일과 상기 전력 수신 코일이 겹쳐지는 면적에 비례하는조리 기기.
- 제15항에 있어서,상기 저장 공간에는 상기 전력 수신 코일에 의해서 공급되는 교류 전력을 직류 전력으로 변환하는 전력 변환 장치가 배치되는조리 기기.
- 제15항에 있어서,상기 저장 공간에는 상기 뚜껑과 상기 본체의 체결 상태를 판별하는 제어기가 배치되고,상기 제어기는 상기 전력 수신 코일에 의해서 상기 하나 이상의 전자 장치에 공급되는 전류의 크기, 전압의 크기 또는 전력의 크기를 미리 정해진 기준값과 비교하여 상기 뚜껑과 상기 본체의 체결 상태를 판별하는조리 기기.
- 제22항에 있어서,상기 제어기는상기 전류의 크기, 상기 전압의 크기 또는 상기 전력의 크기가 상기 기준값 이상이면 상기 뚜껑과 상기 본체의 체결 상태가 정상인 것으로 판별하고,상기 전류의 크기, 상기 전압의 크기 또는 상기 전력의 크기가 상기 기준값 미만이면 상기 뚜껑과 상기 본체의 체결 상태가 비정상인 것으로 판별하는조리 기기.
- 제22항에 있어서,상기 제어기는디스플레이 모듈을 통해 상기 뚜껑과 상기 본체의 체결 상태 정보를 표시하거나, 통신 모듈을 통해 상기 뚜껑과 상기 본체의 체결 상태 정보를 다른 장치에 전송하는조리 기기.
- 제15항에 있어서,상기 본체 내부에 배치되는 가열 코일을 더 포함하고,상기 내솥은 상기 가열 코일에 의해서 가열되는조리 기기.
- 제15항에 있어서,상기 본체 내부에 배치되며 외부로부터 전송되는 전력을 상기 전력 송신 코일로 전달하는 전력 전달 코일을 더 포함하는조리 기기.
- 제26항에 있어서,상기 내솥은 상기 전력 전달 코일에 의해서 가열되는조리 기기.
- 제15항에 있어서,상기 본체의 횡단면 및 상기 뚜껑의 횡단면은 원형인조리 기기.
- 내솥 수용 공간이 형성되는 본체;상기 내솥 수용 공간에 수용되는 내솥;상기 내솥 수용 공간을 밀폐하도록 상기 본체의 일면과 결합되며, 내부에는 하나 이상의 전자 장치를 수용하는 저장 공간이 형성되는 뚜껑;상기 본체의 일측에 배치되고 외부로부터 전달되는 전력을 수신하는 전력 송신 코일; 및상기 뚜껑의 일측에 배치되고 상기 전력 송신 코일이 송신한 전력을 수신하는 전력 수신 코일을 포함하고,상기 내솥은 상기 전력 전달 코일이 수신한 전력에 의해서 가열되고,상기 하나 이상의 전자 장치는 상기 전력 수신 코일이 수신하는 전력에 의해서 구동되고,상기 본체의 하부면의 중심과 상기 전력 송신 코일의 중심 사이의 거리는 상기 본체의 하부면의 반경보다 크고,상기 본체의 하부면의 중심과 상기 전력 수신 코일의 중심 사이의 거리는 상기 본체의 하부면의 반경보다 큰조리 기기.
- 제29항에 있어서,상기 뚜껑은 상기 본체와 회전 결합되고,상기 뚜껑이 상기 내솥 수용 공간을 밀폐하도록 상기 본체의 일면과 결합될 때 상기 전력 송신 코일과 상기 전력 수신 코일은 서로 완전히 겹쳐지는조리 기기.
- 제29항에 있어서,상기 뚜껑은 상기 본체와 완전히 분리되는 분리형 뚜껑인조리 기기.
- 제29항에 있어서,상기 전력 송신 코일은 상기 본체의 일측으로부터 반경 방향으로 돌출되는 본체 손잡이의 내부에 배치되고,상기 전력 수신 코일은 상기 뚜껑의 일측으로부터 반경 방향으로 돌출되는 뚜껑 손잡이의 내부에 배치되는조리 기기.
- 제32항에 있어서,상기 본체 손잡이 및 상기 뚜껑 손잡이는 비금속성 재질로 이루어지는조리 기기.
- 제29항에 있어서,상기 하나 이상의 전자 장치에 전달되는 전력의 크기는 상기 전력 송신 코일과 상기 전력 수신 코일이 겹쳐지는 면적에 비례하는조리 기기.
- 제29항에 있어서,상기 저장 공간에는 상기 전력 수신 코일에 의해서 공급되는 교류 전력을 직류 전력으로 변환하는 전력 변환 장치가 배치되는조리 기기.
- 제29항에 있어서,상기 저장 공간에는 상기 뚜껑과 상기 본체의 체결 상태를 판별하는 제어기가 배치되고,상기 제어기는 상기 전력 수신 코일에 의해서 상기 하나 이상의 전자 장치에 공급되는 전류의 크기, 전압의 크기 또는 전력의 크기를 미리 정해진 기준값과 비교하여 상기 뚜껑과 상기 본체의 체결 상태를 판별하는조리 기기.
- 제36항에 있어서,상기 제어기는상기 전류의 크기, 상기 전압의 크기 또는 상기 전력의 크기가 상기 기준값 이상이면 상기 뚜껑과 상기 본체의 체결 상태가 정상인 것으로 판별하고,상기 전류의 크기, 상기 전압의 크기 또는 상기 전력의 크기가 상기 기준값 미만이면 상기 뚜껑과 상기 본체의 체결 상태가 비정상인 것으로 판별하는조리 기기.
- 제36항에 있어서,상기 제어기는디스플레이 모듈을 통해 상기 뚜껑과 상기 본체의 체결 상태 정보를 표시하거나, 통신 모듈을 통해 상기 뚜껑과 상기 본체의 체결 상태 정보를 다른 장치에 전송하는조리 기기.
- 제29항에 있어서,상기 본체 내부에 배치되는 가열 코일을 더 포함하고,상기 내솥은 상기 가열 코일에 의해서 가열되는조리 기기.
- 제29항에 있어서,상기 본체 내부에 배치되며 외부로부터 전송되는 전력을 상기 전력 송신 코일로 전달하는 전력 전달 코일을 더 포함하는조리 기기.
- 제40항에 있어서,상기 내솥은 상기 전력 전달 코일에 의해서 가열되는조리 기기.
- 제29항에 있어서,상기 본체의 횡단면 및 상기 뚜껑의 횡단면은 원형인조리 기기.
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Cited By (2)
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USD1015798S1 (en) * | 2019-06-06 | 2024-02-27 | Sharkninja Operating Llc | Food preparation device |
EP4368077A1 (en) * | 2022-11-07 | 2024-05-15 | Zhejiang Shaoxing Supor Domestic Electrical Appliance Co., Ltd. | Cooking appliance |
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JPH10286171A (ja) * | 1997-04-17 | 1998-10-27 | Zojirushi Corp | 誘導加熱式炊飯器 |
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KR20200101826A (ko) * | 2019-02-20 | 2020-08-28 | 엘지전자 주식회사 | 유도가열 밥솥 |
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JP2988050B2 (ja) | 1991-09-26 | 1999-12-06 | 松下電器産業株式会社 | 電気炊飯器 |
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KR20200101825A (ko) | 2019-02-20 | 2020-08-28 | 엘지전자 주식회사 | 무선 유도가열 밥솥 및 이를 포함하는 무선 유도가열 시스템 |
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JPH10286171A (ja) * | 1997-04-17 | 1998-10-27 | Zojirushi Corp | 誘導加熱式炊飯器 |
JPH119438A (ja) * | 1997-06-19 | 1999-01-19 | Zojirushi Corp | 炊飯器 |
JP2005034223A (ja) * | 2003-07-16 | 2005-02-10 | Tiger Vacuum Bottle Co Ltd | 電気炊飯器 |
KR20200101827A (ko) * | 2019-02-20 | 2020-08-28 | 엘지전자 주식회사 | 무선 유도가열 밥솥 및 이를 포함하는 무선 유도가열 시스템 |
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USD1015798S1 (en) * | 2019-06-06 | 2024-02-27 | Sharkninja Operating Llc | Food preparation device |
EP4368077A1 (en) * | 2022-11-07 | 2024-05-15 | Zhejiang Shaoxing Supor Domestic Electrical Appliance Co., Ltd. | Cooking appliance |
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